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High pressure magnetic measurements on strongly correlated electron systems with a miniature ceramic anvil high pressure cell

  • Author(s): Tateiwa, Naoyuki
  • Haga, Yoshinori
  • Matsuda, Tatsuma D
  • Fisk, Zachary
  • et al.
Abstract

We have designed a miniature ceramic anvil high pressure cell (mCAC) for magnetic measurements at pressures up to 12.6 GPa in a commercial superconducting quantum interference (SQUID) magnetometer [1-3]. The simplified mCAC without anvil alignment mechanism is easy-to-use for researchers who are not familiar with high-pressure technology and magnetic measurements can be done above 10 GPa. Here, we show one additional modification in the mCAC. This modification enables more precise magnetic measurements on samples with smaller magnetization. We confirm the spontaneous dc magnetization in the pressure-induced ferromagnetic phase in YbCu2Si2 by high pressure magnetic measurements with the mCAC. The pressure-induced phase has the strong uniaxial Ising-type anisotropy. © Published under licence by IOP Publishing Ltd.

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